Mate in 1 · No. 261 · Predicted ~1200

Queen, two rooks, bishop and knight

White to play and mate in one.

Position

White
king on e1, queen on h6, rooks on a1 and g1, bishop on h4, knight on f3, pawns on a3, a4, d3, e2, e3, g3 and h3
Black
king on f7, queen on d8, rooks on e8 and f8, bishops on c7 and e6, knight on b4, pawns on a7, c6, d6, f6, g5 and g6